contract-addresses
Verified contract addresses for major EVM protocols across Ethereum, Arbitrum, Optimism, Base, and Polygon. Covers tokens, DEXes, lending, bridges, and infrastructure. Use as a reference when building integrations — every address is checksummed and should be verified onchain before use in production.
tenderly
Tenderly blockchain DevOps platform — transaction simulation API, fork environments for testing, Alerts and Webhooks for monitoring, Web3 Actions (serverless functions), contract verification, Gas Profiler, and Transaction Debugger. Covers REST API integration and Tenderly SDK.
compound
Compound V3 (Comet) lending protocol — supply, borrow, repay, withdraw, liquidation, governance proposals, and cross-chain Comet deployments. Covers Comet interface (single-asset borrowing), Configurator, Bulker for batched operations, and COMP governance across Ethereum, Arbitrum, Base, Optimism, and Polygon.
squads
Complete guide for Squads Protocol - Solana's leading smart account and multisig infrastructure. Covers Squads V4 Multisig for team treasury management, Smart Account Program for account abstraction and programmable wallets, and Grid for stablecoin rails and fintech infrastructure.
frontend-ux
dApp frontend UX patterns and production readiness — wallet connection flows (RainbowKit, multi-state), four-state transaction lifecycle, error handling taxonomy (4001 user rejection, insufficient funds, revert decoding), gas estimation with USD display, network switching, approval patterns (infinite vs exact, Permit2), mobile wallet support (WalletConnect v2, EIP-6963), and production QA checklist.
coinbase-agentkit
Coinbase AgentKit — build AI agents with onchain capabilities. Wallet creation/management, token transfers, swaps, contract deployment, NFT minting, and ENS registration. Framework integrations with LangChain and Vercel AI SDK. Supports Base, Ethereum, Arbitrum, and Polygon.
maker
MakerDAO / Sky protocol -- Maker Vaults (CDPs) for DAI minting against collateral, DAI Savings Rate (DSR), Liquidation 2.0 with Dutch auctions, MKR governance, and Sky rebranding (USDS/SKY tokens). Covers DssProxyActions, Vat core accounting, Jug stability fees, and Spark Protocol integration.
cola-avatar-pack
Generate pixel-art self-portrait, profile card, emoji GIFs, and meme stickers. Use when: "生成形象"、"画头像"、"avatar"、"self-portrait"、"表情包"、"梗图"、"贴纸"、"sticker"、"换一个"、"重新生成"、"不喜欢"、"regenerate". Also use when: Cola wakes up — display existing avatar or prompt user to generate. Do NOT use when: discussing third-party platform avatar settings or searching for external stickers.
openai-image-gen
Batch-generate images via OpenAI Images API. Random prompt sampler + `index.html` gallery.